test/dm/syscon.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2015 Google, Inc
   4  */
   5
   6 #include <common.h>
   7 #include <dm.h>
   8 #include <log.h>
   9 #include <syscon.h>
  10 #include <regmap.h>
  11 #include <asm/test.h>
  12 #include <dm/test.h>
  13 #include <linux/err.h>
  14 #include <test/ut.h>
  15
  16 /* Base test of system controllers */
  17 static int dm_test_syscon_base(struct unit_test_state *uts)
  18 {
  19         struct udevice *dev;
  20
  21         ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev));
  22         ut_asserteq(SYSCON0, dev->driver_data);
  23
  24         ut_assertok(uclass_get_device(UCLASS_SYSCON, 1, &dev));
  25         ut_asserteq(SYSCON1, dev->driver_data);
  26
  27         ut_asserteq(-ENODEV, uclass_get_device(UCLASS_SYSCON, 2, &dev));
  28
  29         return 0;
  30 }
  31 DM_TEST(dm_test_syscon_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
  32
  33 /* Test system controller finding */
  34 static int dm_test_syscon_by_driver_data(struct unit_test_state *uts)
  35 {
  36         struct udevice *dev;
  37
  38         ut_assertok(syscon_get_by_driver_data(SYSCON0, &dev));
  39         ut_asserteq(SYSCON0, dev->driver_data);
  40
  41         ut_assertok(syscon_get_by_driver_data(SYSCON1, &dev));
  42         ut_asserteq(SYSCON1, dev->driver_data);
  43
  44         ut_asserteq(-ENODEV, syscon_get_by_driver_data(2, &dev));
  45
  46         return 0;
  47 }
  48 DM_TEST(dm_test_syscon_by_driver_data, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
  49
  50 /* Test system controller by phandle */
  51 static int dm_test_syscon_by_phandle(struct unit_test_state *uts)
  52 {
  53         struct udevice *dev;
  54         struct regmap *map;
  55
  56         ut_assertok(uclass_get_device_by_name(UCLASS_TEST_PROBE, "test4",
  57                                               &dev));
  58
  59         ut_assertok_ptr(syscon_regmap_lookup_by_phandle(dev, "first-syscon"));
  60         map = syscon_regmap_lookup_by_phandle(dev, "first-syscon");
  61         ut_assert(map);
  62         ut_assert(!IS_ERR(map));
  63         ut_asserteq(1, map->range_count);
  64
  65         ut_assertok_ptr(syscon_regmap_lookup_by_phandle(dev,
  66                                                         "second-sys-ctrl"));
  67         map = syscon_regmap_lookup_by_phandle(dev, "second-sys-ctrl");
  68         ut_assert(map);
  69         ut_assert(!IS_ERR(map));
  70         ut_asserteq(4, map->range_count);
  71
  72         ut_assertok_ptr(syscon_regmap_lookup_by_phandle(dev,
  73                                                         "third-syscon"));
  74         map = syscon_regmap_lookup_by_phandle(dev, "third-syscon");
  75         ut_assert(map);
  76         ut_assert(!IS_ERR(map));
  77         ut_asserteq(4, map->range_count);
  78
  79         ut_assert(IS_ERR(syscon_regmap_lookup_by_phandle(dev, "not-present")));
  80
  81         return 0;
  82 }
  83 DM_TEST(dm_test_syscon_by_phandle, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);